Fixed another #endif statement.
Fixed another #endif statement.

mjlong/openmc,johnnyliu27/openmc,amandalund/openmc,lilulu/openmc,lilulu/openmc,smharper/openmc,keadyk/openmc_mg_prepush,shikhar413/openmc,bhermanmit/openmc,wbinventor/openmc,shikhar413/openmc,samuelshaner/openmc,mit-crpg/openmc,nhorelik/openmc,paulromano/openmc,lilulu/openmc,smharper/openmc,walshjon/openmc,liangjg/openmc,kellyrowland/openmc,walshjon/openmc,bhermanmit/openmc,mit-crpg/openmc,bhermanmit/cdash,sxds/opemmc,mit-crpg/openmc,walshjon/openmc,shikhar413/openmc,wbinventor/openmc,johnnyliu27/openmc,samuelshaner/openmc,shenqicang/openmc,liangjg/openmc,nhorelik/openmc,sxds/opemmc,samuelshaner/openmc,smharper/openmc,smharper/openmc,keadyk/openmc_mg_prepush,amandalund/openmc,paulromano/openmc,kellyrowland/openmc,johnnyliu27/openmc,amandalund/openmc,amandalund/openmc,liangjg/openmc,paulromano/openmc,mit-crpg/openmc,johnnyliu27/openmc,shikhar413/openmc,wbinventor/openmc,mjlong/openmc,paulromano/openmc,shenqicang/openmc,keadyk/openmc_mg_prepush,walshjon/openmc,samuelshaner/openmc,liangjg/openmc,wbinventor/openmc